Building an AI Gateway with AgentGateway: LLM, MCP, and A2A Behind One Door

Learn how to build an AI gateway with AgentGateway that fronts DeepSeek, multiplexes six MCP targets, secures them with Keycloak and CEL authorization, adds guardrails and rate limiting, proxies an A2A agent, and ships metrics, traces, and logs to an LGTM observability stack plus Langfuse.